Home / 20,630,098.68-28,467,687.42-11,337,561.63

Finding the Fourth Proportional to 20,630,098.68, 28,467,687.42 and 11,337,561.63

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Solution

The fourth proportional to 20,630,098.68, 28,467,687.42 and 11,337,561.63 is: 15,644,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630,098.68 : 28,467,687.42 = 11,337,561.63 : x
  2. Step 2: Convert to fraction form
    20,630,098.68/28,467,687.42 = 11,337,561.63/x
  3. Step 3: Cross multiply
    20,630,098.68x = 28,467,687.42 × 11,337,561.63
  4. Step 4: Simplify right side
    20,630,098.68x = 322,754,160,587,825.75
  5. Step 5: Solve for x
    x = 322,754,160,587,825.75/20,630,098.68
  6. Step 6: Final answer
    x = 15,644,819.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.